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参数资料
| 型号： | GM7110-ATB5T |
| 厂商： | Electronic Theatre Controls, Inc. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗辐射高效，5安培开关稳压器 |
| 文件页数： | 5/11页 |
| 文件大小： | 295K |
| 代理商： | GM7110-ATB5T |
GM7110
5
ELECTRICAL CHARACTERISTICS: All Output Voltage Versions
(Specifications with standard type face are for T = 25°C, and those with
boldface type
apply over full Operating Temperature Range. Unless otherwise
J
specified, V = 12V for the 3.3V, 5.0V and ADJ version, V = 25V for 12V version. and V = 30V for 15V version. I
= 500 mA)
IN
IN
IN
LOAD
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Oscillator Frequency
Saturation Voltage
Max Duty Cycle (ON)
Output Leakage Current
Quiescent Current
Standby Quiescent Current
Thermal Resistance
Feedback Bias Current
Current Limit
Logic Input Level
ON/OFF Pin
ON/OFF Pin Input Current
V
= 5V (Adjustable Version Only)
OUT
(Note 11)
I
= 1A (Notes 4)
OUT
(Note 5)
(Note 4, 11)
(Notes 6, 7) Output = 0 V
Output = -1V
(Note 6)
ON/OFF Pin = 5V (OFF)
TO-220 Package, Junction to Ambient (Note 8)
TO-220 Package, Junction to Ambient (Note 8)
TO-220,TO-263, Package, Junction to Case
TO-252 Package, Junction to Case
TO-263 Package, Junction to Ambient (Note 10)
V
=0V
OUT
V
= Nominal Output Voltage
OUT
I
FB
F
O
V
SAT
T
DC
I
OL
I
Q
I
STBY
V
IH
V
IL
V
IH
I
IL
-
47 /
42
-
-
-
-
-
-
-
-
-
-
-
-
50
52
0.9
98
2.2
-
7.5
5
50
1.4
1.2
12
0
65
45
2
6
37
-
-
-
-
100 /
500
58 /
63
1.2 /
1.4
-
2
30
10
200
30
10
kHz
V
%
A
mA
mA
m
A
°C/W
V
V
m
A
m
A
nA
93
I
CL
1.7 /
1.3
3.0 /
3.2
ON/OFF Pin = 5V (OFF)
ON/OFF Pin = 0V (ON)
2.2 /
2.4
-
-
1.0 /
0.8
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indic
ate conditions for which the device is intended to be functional, but do not guarantee specific performance limits.
Guaranteed specifications and Test conditions are shown in Electrical Characteristics.
Note 2:
All limits guaranteed at 25°C (standard type face) and over full operating temperature range (bold type face).
All 25°C limits are 100% production tested. All limits over full operating temperature range are guaranteed via
correlation using standard Statistics Quality Control methods.
Note 3:
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator
system performance. When the GM7110 is used as shown in the Figure 2 test circuit, system performance will be
as shown in system parameters section of Electrical Characteristics.
Note 4:
Output pin sourcing current. No diode, inductor or capacitor connected to output.
Note 5:
Feedback pin removed from output and connected to 0V.
Note 6:
Feedback pin removed from output and connected to +12V for the Adjustable, 3.3V, and 5V versions, and +25V for
the 12V and 15V versions, to force the output transistor OFF.
Note 7:
V = 40V
IN
Note 8:
Junction to ambient thermal resistance (no external heat sink) for the 5 lead TO-220 package mounted vertically,
with
inch leads in a socket, or on a PC board with minimum copper area.
Note 9:
Junction to ambient thermal resistance (no external heat sink) for the 5 lead TO-220 package mounted vertically,
with
inch leads soldered to a PC board containing approximately 4 square inches of copper area surrounding
the leads.
Note 10:
If the TO-263 package is used, the thermal resistance can be reduced by increasing the PC board Copper area
thermally connected to the package. Using 0.5 square inches of copper area,
q
is 50°C//W, with 1 square inch
JA
of copper area,
q
is 37°C/W, and with 1.6 or more square inches of copper area,
q
is 32°C/W.
JA
JA
Note 11:
The oscillator frequency reduces to approximately 11 kHz in the event of an output short or an Overload which
causes the regulated output voltage to drop approximately 40% from the nominal output voltage. This self-
protection feature lowers the Average power dissipation of Gm7110 By lowering the minimum duty cycle from
5% down to approximately 2%.
q
JA
q
JA
q
JC
q
JC
q
JA
A
A
MICROELECTRONICS
GM7110
Power Management
1A STEP-DOWN VOLTAGE SWITCHING REGULATOR
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